the california energy commission says they are monitoring the supply. >> there is ample supply of gasoline to meet consumer demand. >> reporter: the state uses a special summer blend of fuel. it reduces smog conditions in the summertime. most of it is refined in california. some relief could come if they approve switching to the less expensive winter blend fuel earlier than october 31. to some drivers it doesn't matter. >> now, we should pay high gas prices, which, of course, shows better forms of energy. >> reporter: now, some tips to save on gasoline. they recommend are keeping your tires inflated. go easy on the gas and brake pedals. they will use more gas. drive the speed limit going slower to concern fuel and lighten the load. a lighter view uses less gas. for the cheapest gas in your neighborhood, go to our website. live in emeryville, sharon chin, cbs5. >>> all right, you've got plans to come into san francisco this weekend? good luck. you will not be alone. a million extra people are expected to flood the city as well and their cars. this is a live look. lit up for the giants. it i